diff --git a/.gitignore b/.gitignore
index 656b927..b24af09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 *.prj
 *.mltbx
 *.prj
+*.prj
diff --git a/gx2pdf.m b/gx2pdf.m
index 32b6caa..bb02db6 100644
--- a/gx2pdf.m
+++ b/gx2pdf.m
@@ -75,9 +75,9 @@
         span=nan(1,length(w));
         for i=1:length(w)
             [mu,v]=gx2stat(w(i),k(i),lambda(i),0,0);
-            span(i)=abs(mu)+10*sqrt(v);
+            span(i)=abs(mu)+50*sqrt(v);
         end
-        span=max([span,5*s]);
+        span=max([span,50*s]);
         xfull=-span:dx:span;
         
         ncpdfs=nan(length(w),length(xfull));